47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
package utils
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import (
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"crypto/sha256"
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"fmt"
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"golang.org/x/crypto/bcrypt"
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"math/rand"
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"time"
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)
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// HashPassword returns the bcrypt hash of a password string
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func HashPassword(password string) string {
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bytes, _ := bcrypt.GenerateFromPassword([]byte(password), 14)
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return string(bytes)
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}
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// CheckHash returns true if the password matches with a hashed bcrypt password
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func CheckHash(password, hash string) bool {
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err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
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return err == nil
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}
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// NewSHA1Hash returns a random SHA1 hash based on a specific length
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func NewSHA256Hash() string {
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d := make([]byte, 10)
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rand.Seed(Now().UnixNano())
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rand.Read(d)
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return fmt.Sprintf("%x", sha256.Sum256(d))
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}
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// NewSHA1Hash returns a random SHA1 hash based on a specific length
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func Sha256Hash(val string) string {
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return fmt.Sprintf("%x", sha256.Sum256([]byte(val)))
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}
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var characterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
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// RandomString generates a random string of n length
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func RandomString(n int) string {
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b := make([]rune, n)
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rand.Seed(time.Now().UnixNano())
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for i := range b {
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b[i] = characterRunes[rand.Intn(len(characterRunes))]
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}
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return string(b)
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}
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